Problems
Probable causes
Corrections
There is no domestic
hot water.
The domestic hot water
set point temperature is
too low.
Increase the value of parameter
.
The domestic hot water
mode is deactivated.
Activate the domestic hot water mode.
The energy-saving shower
head is restricting the wa
ter flow.
Clean the shower head; replace it if necessary.
The heat pump is not op
erating.
Check that the heat pump is switched on.
Check the fuses and switches on the electrical installation.
The water pressure is too
low (< 1 bar).
Top up the installation with water.
Significant variations in
domestic hot water
temperature
Insufficient water supply
Check the water pressure in the installation.
Open the valve.
The heat pump does
not work.
The heating set point tem
perature is too low.
Increase the value of parameter
or, if a room thermostat is connec
ted, increase the temperature on it.
The heat pump is not op
erating.
Check that the heat pump is switched on.
Check the fuses and switches on the electrical installation.
The water pressure is too
low (< 1 bar).
Top up the system with water.
An error code appears on
the display.
Correct the error if possible.
The water pressure is
too low (< 1 bar).
Not enough water in the
installation.
Top up the system with water.
Water leak.
Contact the installer.
Clicking in the central
heating pipes
.
The central heating pipe
clamps are too tight.
Contact the installer.
There is air in the heating
pipes.
It is essential that you vent any air in the domestic hot water tank, the
pipes and the taps to prevent the annoying noises likely to be produced
during heating or when drawing off water.
The water is circulating too
quickly in the central heat
ing system.
Contact the installer.
Significant water leak
underneath or in the
vicinity of the heat
pump.
The pipes on the heat
pump or the central heat
ing are damaged.
Contact the installer.
8 Troubleshooting
52
200 ASL HYBRID
7613348 - v06 - 10122018
